<!DOCTYPE html>
<script src="jquery.min.js"></script>
<script src="jquery-ui.min.js"></script>
<script src="turn.js"></script>
<link rel="stylesheet" href="turn.css">
<script type="text/javascript">
$(document).ready(function(){
$('#target').fold();
});
</script>
<img id="target" src="code.png">
<h1 style="text-align: center;">Demo.</h1>